To dream of your daughter, signifies that many displeasing incidents will give way to pleasure and harmony.If in the dream, she fails to meet your wishes, through any cause, you...

To dream of your daughter-in-law, indicates some unusual occurence{sic} will add to happiness, or disquiet, according as she is pleasant or unreasonable.

(See Worms)

The most likely explanation for dreams about your children is that you are worried about them in some way or that you need to see certain issues from their point...